/Engine/Plugins/Animation/IKRig/Source/IKRigEditor/Public/RetargetEditor/IKRetargeterController.h
Get the name of the source chain mapped to a given target chain (the chain animation is copied FROM).
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=IKRetargeter, Meta=(BlueprintThreadSafe)) [FName](API\Runtime\Core\UObject\FName) GetSourceChain ( const [FName](API\Runtime\Core\UObject\FName) & TargetChainName ) const